Hi all, I’m newbie to Java world when our company’s moving to Scala. Now I’m profiling performance issue of our system. I’ve tried jprofiler, yourkit, but it was expired ^^. When I was searching for a free tool, I see VisualVM. Oh.. It’s offical tool...

For web development environment, we usually have a live environment where we call it production and some staging environments where we call them development or staging or something like that. New features usually are introduced at the development environment where we share our works to...